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result(s) for
"Chukwu, Ethelbert N"
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Finite Time Controllability of Nonlinear Control Processes
A control process is globally finite time null controllable if it is globally asymptotically stable and locally controllable to the origin. Sufficient conditions are stated for the system \\[\\dot x = f(t,x,u)\\quad {\\text{in }}C^1 (R \\times R^n \\times R^m )\\] to be globally finite time null controllable. The conditions are stated in terms of the Jacobian of $f$ and the controllability of a related linear equation.
Journal Article
Economic dynamics of all members of the United Nations
This book provides an enduring response to modern economic problems and the consequent crises, dealing with the economic modeling of nations and the forecasting of economic growth. The main arguments embodied constitute the creation of jobs and the restoration of economic growth, using the implicit acceptance of analysis on differential models and neutral systems for controlling the wealth of nations.
Book
Symmetries of Autonomous Linear Control Systems
This paper is concerned with symmetry and identification problems for time-optimal linear autonomous control systems in Euclidean space. A symmetry is a nonsingular linear transformation which reproduces each of the reachable sets. Under rather general conditions all the symmetries of a control system are described constructively (Theorem 4). In an analogous situation, it is determined when two control systems have the same reachable sets; the identification problem (Theorem 6). Both of these are special cases of a wider result (Theorem 3) which may well be amenable to further generalization.
Journal Article